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How to Repair Fiat 500 Keys There are many reasons why your Fiat 500 key FOB may not function properly. One of the most frequent is the tiny “watch” battery that's inside it dies. This is an 3.3 voltage lithium, CR2032, that you can buy just about anyplace for less than $3. fiat 500 key replacement is the best choice to call if need a new car key for a classic Fiat model. United Locksmith can provide this service and has the tools and replacement parts needed. Keys On the outside, a Fiat key may appear to be basic, however inside the casing is a chip that communicates with your vehicle's immobiliser system. If the chip isn't in place or programmed to the immobiliser system properly then your vehicle will not start. Car Keys Solutions can offer you the latest technology and equipment from dealers to repair your Fiat key, even if the key has been damaged or lost. A spare key can keep your vehicle running in the event of an accident or lockout. We can supply you with a standard key or a remote fob. We use only the highest-quality blanks available and offer a fast turnaround to ensure you get back on the road in a hurry. Some customers prefer to visit a Fiat Dealership to get new keys. We can provide an easier and less expensive service. You can also avoid the towing charges of bringing your car from and to the dealership because we can deliver the key to you. This can also cut down on the waiting time which can take up to 10 days at a dealer. Remotes The remote controls on Fiat cars look like the keys themselves, with the exception that they have an IR (infrared) LED on the end. This LED transmits an electronic signal to the device, which allows the vehicle to open or start when it is pressed. The signal is detected by a microprocessor in the key, which transforms it into a code which is then sent to the device. This is also known as “keyless entry”. The more recent your car is, and the more likely you will have the keyless system. The more advanced your vehicle has, the more features will come with. This includes locking and unlocking your car with a pressing a button and opening the doors without touching the handle, and so much more. The key fob comes with an integrated circuit chip which communicates with the immobiliser system of the car. The system can determine if the correct key is in place by observing a certain sequence of numbers in the transponder chip. If the chip isn't present, or isn't programmed to the correct immobiliser system, then the vehicle will not start. If the key fob is damaged, a locksmith can make a replacement. The locksmith will also need to program the new key to connect with the immobiliser system in the car. This is an important part of the procedure, and you should be ready to provide information regarding your vehicle to your locksmith when they call. Keyless Entry With a keyless entry on your Fiat 500 you can lock or unlock the vehicle by pressing the button. This technology is becoming more popular in cars of all ages and types and adds security and convenience to the use of your vehicle. Check to see if your remote keyless entry system isn't working. The coin battery inside the fob could be dead. If the battery is drained replace it with a new one with the same voltage, size and type as the original. You should also ensure that the battery's contacts are clean and free from dust or corrosion. The key fob comes with rubber seals to protect the electronic chip from water, but prolonged exposure to soapy or salty water may cause the chip to fail. If your key fob has been exposed to water, you must remove the battery and allow it to dry completely before putting it back into. You can also clean the electronic chip using isopropyl alcohol, or an electronic cleaner. Keyless entry systems are more secure than traditional systems, because it generates the code that is used to unlock your car after each use. This means that even if hackers attempt to intercept the signal, they won't be able to gain permanent access to your car. Transponders Fiat employs a crypto-key transponder system. This means that the keys and transponders have to be precoded with a secret code generated by the Body Control Module (BCM) before being “programmed” into the BCM. This is the reason why an unwritten key cannot be programmed, because the BCM must read and write it's secret key to the transponder before locking it. This is referred to as”cloning. These are brand new replacement outer cases to replace SIP22 Transponder keys for Fiat 500. They come with a chip that opens the door and then starts the vehicle. They must be cut professionally by a locksmith so that they fit your ignition.